Carl Zeiss, invented by German mechanical designer Zeiss in p>1973, is a world-famous manufacturer of precision optical instruments. Mr. Zeiss was founded in Yena, Germany in 1846, and then worked with physicist Ernst? Professor Abbe and chemist Dr Otto Short established the Zeiss Foundation. At present, the company is managed by the Zeiss Foundation, which is affiliated to the German government. The company has a history of more than 15 years. In 1996, the former German Chancellor Kohl personally delivered a congratulatory message to Zeiss at the company's 15th anniversary ceremony. Now the company is headquartered in Oberkohen, Germany. The company has several departments including civil optics, industrial measuring instruments, microscopes, medical instruments, semiconductor technology and photoelectric systems. In 1973, Zeiss successfully manufactured the world's first CNC CMM UMM5. Since then, new professional technologies have been developed every year, such as electromagnetic sucker for mounting probes, CARAT spindle for ultra-precision measuring machines, and ZERODUR for precision measuring machines, which is insensitive to temperature and has zero expansion coefficient. ? 3 grating ruler, and the probe with unique technology independently developed by Zeiss is in the leading position: ST3 probe with double trigger principle and two mutually perpendicular axes can rotate 18? And it is 2.5? Indexing RDS/RST rotary probe, active high-speed scanning VAST universal scanning probe for scanning measuring machine, non-contact optical measuring probe VISCAN, laser scanning probe AutoSCAN, etc. In addition, Zeiss has a unique rotary milling head which can directly process various models on CMM. So far Zeiss has a number of patented technologies, which makes Zeiss far ahead of other companies in coordinate measurement technology. Zeiss Far East Co., Ltd. is a branch of German Zeiss in the Far East. It was established in Hong Kong in the early 198s. Its main tasks are product sales and technical services. With the continuous development of the company, there are two companies (Zeiss Far East Co., Ltd. [Hong Kong], Zeiss Optical Instruments (Shanghai) International Trade Co., Ltd. [Shanghai]), two technical training centers (Hong Kong and Shanghai) and Theory of Three Represents offices (Beijing, Shanghai and Guangzhou). Zeiss Company has the most comprehensive after-sales service team in China, with many professional technical experts to provide users with professional, rigorous and timely after-sales service. In 1999, Zeiss established the largest product exhibition and training center in Shanghai Waigaoqiao Free Trade Zone except German mainland, and set up a spare parts warehouse here, which greatly shortened the replacement and maintenance cycle of spare parts and served China users better and faster. At present, Zeiss has more than 3 users in China, and more than 4 devices are used in many industries. Zeiss is the inventor and leader of CNC CMM. Zeiss is the largest CNC CMM manufacturer in the world.